Re: LDPE oil tolerance?
Subject: Re: LDPE oil tolerance?
Date: Wed, 04 Jun 1997 07:28:41 -0400
From: Steve Falco <sfalco-at-worldnet.att-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
> Hmm.. Tulco LubSnap is plain old "mineral oil". Unfortunately, mineral
> oils can be either "paraffinic" or "naphthenic", depending upon the
> source of the crude oil itself. Shell Diala-AX is made from paraffinic
> oil, which apparently has somewhat different solvent characteristics.
> Although it also contains some anti-oxidants, it is NOT a synthetic or
> silicone-based oil. LDPE may swell somewhat in certain blends, but
> should not otherwise be markedly degraded. The uptake of mineral oil
> should not significantly degrade it's electrical performance in either
> capacitor or transformer applications. Silicone oil would also be a very
> good choice.
> -- Bert --
According to the label, Tulco LubSnap is a "naphthenic" mineral oil. So
far, it has been doing ok in my LDPE capacitor. Just though some other
folks might want to know.